.auth-shell {
  display: grid;
  gap: 12px;
}

.auth-modal-open {
  overflow: hidden;
}

.auth-launcher-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.auth-launcher-copy {
  display: grid;
  gap: 8px;
}

.auth-launcher-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand, var(--text));
  font-weight: 700;
}

.auth-launcher-title {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  letter-spacing: -0.03em;
}

.auth-launcher-subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.auth-launcher-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.auth-launcher-cta,
.auth-launcher-secondary {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.auth-launcher-cta {
  background: linear-gradient(135deg, var(--brand, #2d767c) 0%, #409ca2 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(45, 118, 124, 0.18);
}

.auth-launcher-secondary {
  background: var(--pill, rgba(23, 32, 42, 0.08));
  color: var(--text);
}

.auth-launcher-cta:hover,
.auth-launcher-secondary:hover,
.auth-launcher-cta:focus-visible,
.auth-launcher-secondary:focus-visible,
.auth-modal-close:hover,
.auth-modal-close:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.auth-launcher-cta[disabled],
.auth-launcher-secondary[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
}

.auth-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(7, 13, 20, 0.58);
  cursor: pointer;
}

.auth-modal-dialog {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  max-height: min(82vh, 760px);
  margin: max(40px, 8vh) auto;
  border-radius: 28px;
  border: 1px solid var(--line, rgba(23, 32, 42, 0.12));
  background: var(--panel-strong, rgba(255, 255, 255, 0.96));
  box-shadow: 0 28px 88px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.auth-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 22px 0;
}

.auth-modal-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  letter-spacing: -0.03em;
}

.auth-modal-close {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--pill, rgba(23, 32, 42, 0.08));
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.auth-modal-body {
  padding: 18px 22px 22px;
}

.auth-heading {
  display: grid;
  gap: 6px;
}

.auth-title {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}

.auth-copy,
.auth-user-email,
.leaderboard-status,
.leaderboard-scope {
  color: var(--muted);
  line-height: 1.6;
}

.auth-segmented,
.auth-actions,
.auth-meta,
.leaderboard-topline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.auth-toggle,
.auth-submit,
.leaderboard-refresh {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.auth-toggle,
.leaderboard-refresh {
  background: var(--pill, rgba(23, 32, 42, 0.08));
  color: var(--muted);
}

.auth-toggle[aria-pressed="true"] {
  background: rgba(45, 118, 124, 0.14);
  color: var(--brand-dark, var(--text));
  box-shadow: 0 8px 20px rgba(45, 118, 124, 0.12);
}

.auth-submit {
  background: linear-gradient(135deg, var(--brand, #2d767c) 0%, #409ca2 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(45, 118, 124, 0.18);
}

.auth-toggle:hover,
.auth-submit:hover,
.leaderboard-refresh:hover,
.auth-toggle:focus-visible,
.auth-submit:focus-visible,
.leaderboard-refresh:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.auth-submit[disabled],
.leaderboard-refresh[disabled],
.auth-toggle[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.auth-form {
  display: grid;
  gap: 10px;
}

.auth-field {
  display: grid;
  gap: 6px;
}

.auth-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.auth-input {
  width: 100%;
  border: 1px solid var(--line, rgba(23, 32, 42, 0.12));
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
}

.auth-input:focus-visible {
  outline: 3px solid var(--focus, rgba(45, 118, 124, 0.26));
  outline-offset: 1px;
}

.auth-status,
.leaderboard-empty,
.leaderboard-item {
  border-radius: 18px;
  border: 1px solid var(--line, rgba(23, 32, 42, 0.12));
  background: rgba(255, 255, 255, 0.82);
}

.auth-status,
.leaderboard-empty {
  padding: 12px 14px;
}

.auth-status[data-tone="success"] {
  background: rgba(45, 118, 124, 0.12);
  color: var(--brand-dark, var(--text));
}

.auth-status[data-tone="warning"] {
  background: rgba(230, 120, 62, 0.14);
  color: #7f3c18;
}

.auth-status[data-tone="error"] {
  background: rgba(161, 46, 54, 0.12);
  color: #8e2330;
}

.auth-user {
  display: grid;
  gap: 4px;
}

.auth-user-name {
  font-size: 1rem;
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(45, 118, 124, 0.12);
  color: var(--brand-dark, var(--text));
  font-size: 0.9rem;
  font-weight: 700;
}

.auth-badge-accent {
  background: rgba(230, 120, 62, 0.14);
  color: #7f3c18;
}

.leaderboard-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.leaderboard-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
}

.leaderboard-rank {
  font-size: 1rem;
  font-weight: 800;
  color: var(--brand-dark, var(--text));
}

.leaderboard-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.leaderboard-name {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.leaderboard-score {
  text-align: right;
  font-weight: 800;
  letter-spacing: -0.02em;
}

@media (max-width: 720px) {
  .auth-launcher-shell {
    grid-template-columns: 1fr;
  }

  .auth-launcher-actions {
    justify-content: flex-start;
  }

  .auth-modal-dialog {
    width: min(100vw - 20px, 560px);
    margin: max(20px, 4vh) auto;
  }

  .auth-segmented,
  .auth-actions,
  .auth-meta,
  .leaderboard-topline {
    gap: 8px;
  }

  .auth-toggle,
  .auth-submit,
  .leaderboard-refresh {
    width: auto;
  }

  .leaderboard-item {
    grid-template-columns: auto 1fr;
  }

  .leaderboard-score {
    grid-column: 2;
    text-align: left;
  }
}